32 CHAPTER1| Introduction to Statistics 19. For the following set of scores, find the value of each expression a. Σχ b. (ΣΧ c Σ(X-1) d. Σ(X-1), who had experienced Tai Chi had less arthritis pain that those who had not participated in the course. a. Identify the independent variable for this study b. What scale of measurement is used for the inde pendent variable? c. Identify the dependent variable for this study X 3 2 d. What scale of measurement is used for the 5 dependent variable? 1 13. A tax form asks people to identify their annual income, number of dependents, and social security number. For each of these three variables, identify the scale of measurement that probably is used and identify whether the variable is continuous or discrete. 20. For the following set of scores, find the value of each expression: a. ΣΧ b. Σχ cc Σ(Χ + 3 ) . X 14. Four scales of measurement were introduced in this 6 chapter: nominal, ordinal, interval, and ratio a. What additional information is obtained from -2 measurements on an ordinal scale compared to 0 measurements on a nominal scale? -3 b. What additional information is obtained from -1 measurements on an interval scale compared to measurements on an ordinal scale? 21. Two scores, X and Y, are recorded for each of n = 4 subjects. For these scores, find the value of each expression a. ΣΧ b. ΣΥ c. ΣΧΥ c. What additional information is obtained from mea- surements on a ratio scale compared to measure- ments on an interval scale? Subject X 15. Knight and Haslam (2010) found that office workers who had some input into the design of their office space were more productive and had higher well-being compared to workers for whom the office design was completely controlled by an office manager. For this study, identify the independent variable and the dependent variable. A 3 4 0 C -1 5 2 2 16. Explain why honesty is a hypothetical construct instead of a concrete variable. Describe how shyness might be measured and defined using an operational definition 22. Use summation notation to express each of the follow- ing calculations a. Add the scores and then add then square the sum b. Square each score and then add the squared values. c. Subtract 2 points from each score and then add the resulting values d. Subtract 1 point from each score and square the resulting values. Then add the squared values. 17. Ford and Torok (2008) found that motivational signs were effective in increasing physical activity on a college campus. Signs such as "Step up to a healthier lifestyle" and "An average person burns 10 calories a minute walk- ing up the stairs" were posted by the elevators and stairs in a college building. Students and faculty increased their use of the stairs during times that the signs were posted compared to times when there were no signs a. Identify the independent and dependent variables for this study b. What scale of measurement is used for the inde pendent variable? 23. For the following set of scores, find the value of each expression a . Σχε b. (ΣΧ) c Σ(X-3) d. Σ(X-3)* X 1 6 2 18. For the following scores, find the value of each expression a. ΣΧ b. ΣΧ. c. ΣΧ+ 1 d. Σ(Χ + 1) 3 X 3 5 0 2
32 CHAPTER1| Introduction to Statistics 19. For the following set of scores, find the value of each expression a. Σχ b. (ΣΧ c Σ(X-1) d. Σ(X-1), who had experienced Tai Chi had less arthritis pain that those who had not participated in the course. a. Identify the independent variable for this study b. What scale of measurement is used for the inde pendent variable? c. Identify the dependent variable for this study X 3 2 d. What scale of measurement is used for the 5 dependent variable? 1 13. A tax form asks people to identify their annual income, number of dependents, and social security number. For each of these three variables, identify the scale of measurement that probably is used and identify whether the variable is continuous or discrete. 20. For the following set of scores, find the value of each expression: a. ΣΧ b. Σχ cc Σ(Χ + 3 ) . X 14. Four scales of measurement were introduced in this 6 chapter: nominal, ordinal, interval, and ratio a. What additional information is obtained from -2 measurements on an ordinal scale compared to 0 measurements on a nominal scale? -3 b. What additional information is obtained from -1 measurements on an interval scale compared to measurements on an ordinal scale? 21. Two scores, X and Y, are recorded for each of n = 4 subjects. For these scores, find the value of each expression a. ΣΧ b. ΣΥ c. ΣΧΥ c. What additional information is obtained from mea- surements on a ratio scale compared to measure- ments on an interval scale? Subject X 15. Knight and Haslam (2010) found that office workers who had some input into the design of their office space were more productive and had higher well-being compared to workers for whom the office design was completely controlled by an office manager. For this study, identify the independent variable and the dependent variable. A 3 4 0 C -1 5 2 2 16. Explain why honesty is a hypothetical construct instead of a concrete variable. Describe how shyness might be measured and defined using an operational definition 22. Use summation notation to express each of the follow- ing calculations a. Add the scores and then add then square the sum b. Square each score and then add the squared values. c. Subtract 2 points from each score and then add the resulting values d. Subtract 1 point from each score and square the resulting values. Then add the squared values. 17. Ford and Torok (2008) found that motivational signs were effective in increasing physical activity on a college campus. Signs such as "Step up to a healthier lifestyle" and "An average person burns 10 calories a minute walk- ing up the stairs" were posted by the elevators and stairs in a college building. Students and faculty increased their use of the stairs during times that the signs were posted compared to times when there were no signs a. Identify the independent and dependent variables for this study b. What scale of measurement is used for the inde pendent variable? 23. For the following set of scores, find the value of each expression a . Σχε b. (ΣΧ) c Σ(X-3) d. Σ(X-3)* X 1 6 2 18. For the following scores, find the value of each expression a. ΣΧ b. ΣΧ. c. ΣΧ+ 1 d. Σ(Χ + 1) 3 X 3 5 0 2
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
number 23 on attached photo
![32
CHAPTER1| Introduction to Statistics
19. For the following set of scores, find the value of each
expression
a. Σχ
b. (ΣΧ
c Σ(X-1)
d. Σ(X-1),
who had experienced Tai Chi had less arthritis pain that
those who had not participated in the course.
a. Identify the independent variable for this study
b. What scale of measurement is used for the inde
pendent variable?
c. Identify the dependent variable for this study
X
3
2
d. What scale of measurement is used for the
5
dependent variable?
1
13. A tax form asks people to identify their annual
income, number of dependents, and social security
number. For each of these three variables, identify
the scale of measurement that probably is used and
identify whether the variable is continuous or discrete.
20. For the following set of scores, find the value of each
expression:
a. ΣΧ
b. Σχ
cc Σ(Χ + 3 ) .
X
14. Four scales of measurement were introduced in this
6
chapter: nominal, ordinal, interval, and ratio
a. What additional information is obtained from
-2
measurements on an ordinal scale compared to
0
measurements on a nominal scale?
-3
b. What additional information is obtained from
-1
measurements on an interval scale compared to
measurements on an ordinal scale?
21. Two scores, X and Y, are recorded for each of n = 4
subjects. For these scores, find the value of each
expression
a. ΣΧ
b. ΣΥ
c. ΣΧΥ
c. What additional information is obtained from mea-
surements on a ratio scale compared to measure-
ments on an interval scale?
Subject
X
15. Knight and Haslam (2010) found that office workers who
had some input into the design of their office space were
more productive and had higher well-being compared
to workers for whom the office design was completely
controlled by an office manager. For this study, identify
the independent variable and the dependent variable.
A
3
4
0
C
-1
5
2
2
16. Explain why honesty is a hypothetical construct instead
of a concrete variable. Describe how shyness might be
measured and defined using an operational definition
22. Use summation notation to express each of the follow-
ing calculations
a. Add the scores and then add then square the sum
b. Square each score and then add the squared values.
c. Subtract 2 points from each score and then add the
resulting values
d. Subtract 1 point from each score and square the
resulting values. Then add the squared values.
17. Ford and Torok (2008) found that motivational signs
were effective in increasing physical activity on a college
campus. Signs such as "Step up to a healthier lifestyle"
and "An average person burns 10 calories a minute walk-
ing up the stairs" were posted by the elevators and stairs
in a college building. Students and faculty increased their
use of the stairs during times that the signs were posted
compared to times when there were no signs
a. Identify the independent and dependent variables
for this study
b. What scale of measurement is used for the inde
pendent variable?
23. For the following set of scores, find the value of each
expression
a . Σχε
b. (ΣΧ)
c Σ(X-3)
d. Σ(X-3)*
X
1
6
2
18. For the following scores, find the value of each
expression
a. ΣΧ
b. ΣΧ.
c. ΣΧ+ 1
d. Σ(Χ + 1)
3
X
3
5
0
2](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9812aed1-1647-413d-b990-b7f652b46d95%2F65eec3d7-5613-4de7-a3a0-dd4b71857f06%2Fcnpt5a.png&w=3840&q=75)
Transcribed Image Text:32
CHAPTER1| Introduction to Statistics
19. For the following set of scores, find the value of each
expression
a. Σχ
b. (ΣΧ
c Σ(X-1)
d. Σ(X-1),
who had experienced Tai Chi had less arthritis pain that
those who had not participated in the course.
a. Identify the independent variable for this study
b. What scale of measurement is used for the inde
pendent variable?
c. Identify the dependent variable for this study
X
3
2
d. What scale of measurement is used for the
5
dependent variable?
1
13. A tax form asks people to identify their annual
income, number of dependents, and social security
number. For each of these three variables, identify
the scale of measurement that probably is used and
identify whether the variable is continuous or discrete.
20. For the following set of scores, find the value of each
expression:
a. ΣΧ
b. Σχ
cc Σ(Χ + 3 ) .
X
14. Four scales of measurement were introduced in this
6
chapter: nominal, ordinal, interval, and ratio
a. What additional information is obtained from
-2
measurements on an ordinal scale compared to
0
measurements on a nominal scale?
-3
b. What additional information is obtained from
-1
measurements on an interval scale compared to
measurements on an ordinal scale?
21. Two scores, X and Y, are recorded for each of n = 4
subjects. For these scores, find the value of each
expression
a. ΣΧ
b. ΣΥ
c. ΣΧΥ
c. What additional information is obtained from mea-
surements on a ratio scale compared to measure-
ments on an interval scale?
Subject
X
15. Knight and Haslam (2010) found that office workers who
had some input into the design of their office space were
more productive and had higher well-being compared
to workers for whom the office design was completely
controlled by an office manager. For this study, identify
the independent variable and the dependent variable.
A
3
4
0
C
-1
5
2
2
16. Explain why honesty is a hypothetical construct instead
of a concrete variable. Describe how shyness might be
measured and defined using an operational definition
22. Use summation notation to express each of the follow-
ing calculations
a. Add the scores and then add then square the sum
b. Square each score and then add the squared values.
c. Subtract 2 points from each score and then add the
resulting values
d. Subtract 1 point from each score and square the
resulting values. Then add the squared values.
17. Ford and Torok (2008) found that motivational signs
were effective in increasing physical activity on a college
campus. Signs such as "Step up to a healthier lifestyle"
and "An average person burns 10 calories a minute walk-
ing up the stairs" were posted by the elevators and stairs
in a college building. Students and faculty increased their
use of the stairs during times that the signs were posted
compared to times when there were no signs
a. Identify the independent and dependent variables
for this study
b. What scale of measurement is used for the inde
pendent variable?
23. For the following set of scores, find the value of each
expression
a . Σχε
b. (ΣΧ)
c Σ(X-3)
d. Σ(X-3)*
X
1
6
2
18. For the following scores, find the value of each
expression
a. ΣΧ
b. ΣΧ.
c. ΣΧ+ 1
d. Σ(Χ + 1)
3
X
3
5
0
2
Expert Solution
![](/static/compass_v2/shared-icons/check-mark.png)
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 3 steps with 2 images
![Blurred answer](/static/compass_v2/solution-images/blurred-answer.jpg)
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.Recommended textbooks for you
![MATLAB: An Introduction with Applications](https://www.bartleby.com/isbn_cover_images/9781119256830/9781119256830_smallCoverImage.gif)
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
![Probability and Statistics for Engineering and th…](https://www.bartleby.com/isbn_cover_images/9781305251809/9781305251809_smallCoverImage.gif)
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
![Statistics for The Behavioral Sciences (MindTap C…](https://www.bartleby.com/isbn_cover_images/9781305504912/9781305504912_smallCoverImage.gif)
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
![MATLAB: An Introduction with Applications](https://www.bartleby.com/isbn_cover_images/9781119256830/9781119256830_smallCoverImage.gif)
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
![Probability and Statistics for Engineering and th…](https://www.bartleby.com/isbn_cover_images/9781305251809/9781305251809_smallCoverImage.gif)
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
![Statistics for The Behavioral Sciences (MindTap C…](https://www.bartleby.com/isbn_cover_images/9781305504912/9781305504912_smallCoverImage.gif)
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
![Elementary Statistics: Picturing the World (7th E…](https://www.bartleby.com/isbn_cover_images/9780134683416/9780134683416_smallCoverImage.gif)
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
![The Basic Practice of Statistics](https://www.bartleby.com/isbn_cover_images/9781319042578/9781319042578_smallCoverImage.gif)
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
![Introduction to the Practice of Statistics](https://www.bartleby.com/isbn_cover_images/9781319013387/9781319013387_smallCoverImage.gif)
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman